20165659845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19531}}^1\times {\mathrm{4049}}^1$

素因数の和:23605

約数の個数: 32

約数和(自身を含む): 34173187200

約数和(自身を除く): 14007527355

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 4049, 12147, 19531, 20245, 58593, 60735, 68833, 97655, 206499, 292965, 332027, 344165, 996081, 1032495, 1660135, 4980405, 79081019, 237243057, 395405095, 1186215285, 1344377323, 4033131969, 6721886615, 20165659845]

約数ペア:

[(1, 20165659845), (3, 6721886615), (5, 4033131969), (15, 1344377323), (17, 1186215285), (51, 395405095), (85, 237243057), (255, 79081019), (4049, 4980405), (12147, 1660135), (19531, 1032495), (20245, 996081), (58593, 344165), (60735, 332027), (68833, 292965), (97655, 206499)]